We had some who listened to the recording on their computer previously; listen to it again on their cell phone.“Oh wow, I heard Laurel, you heard Laurel that time, I did, I swear this morning I heard Yanny.”

For some, world war three has ensued.

What’s causing 10,000,000 people to hear such different sounds?

Some people believe it’s the difference in quality and the device you hear the sound on.